Investigation of the quality standard of bismuth subnitrate
Objective:To optimize the quality standard of bismuth subnitrate.Methods:In combination with the results of the experiment,the title,identification,test and assay items were added and revised by comparing domestic and international quality standards of bismuth subnitrate.Results:According to the proposed quality standard,the content of 15 batches of samples was 71.8%-73.9%.The drafted standard of bismuth subnitrate has been established.Conclusion:The established standard will provide the quality guarantee for the application of bismuth subnitrate in medicines.